Last Sunday, President Obama officially announced (on TV and via a live stream online) the news that people had been tweeting about for over an hour: Osama Bin Laden had been located and killed by U.S. Military forces. Whatever your politics, the event was the single biggest landmark for social media to date, and everyone responded. Below we’ve collected the absolute best coverage of the event from a social media standpoint. If you have anything to glean from this response (other than that if you’re not on Twitter, you probably should be), we’d love to get the conversation going.

Osama/Obama Gaffes. And next-to-lastly, how not to do social media in a time of crisis. Lesson #1–do not report, under any circumstances, that the President has been killed.

Players learning that social media needs to be used responsibly. You tweeted, she tweeted, we all tweeted. Let’s face it, not all of it was appropriate and you’d be a lucky one if you managed to squeeze by a Facebook political conversation unnoticed. But if you’re an NFL player, it’s hard to hide in the crowd. And Rashard Mendenhall of the Pittsburgh Steelers learned the hard way.